Some time ago, categories of public cloud computing were established. First of all, a distinction was created on who owned the cloud, with private (it is yours), hybrid (you are renting it, but not sharing it with anyone), and public (you are renting it, and you are sharing the infrastructure with an unknown number and type of other entities) having been defined. Then we created Infrastructure-as-a-Service – IaaS (a service consisting of either the container for the OS, or the container and the OS in it), Platform-as-a-Service – PaaS (a service consisting of IaaS plus all of the application services (web server, application server, database server, and language run times) that an application needs, and Software -as-a-Service – SaaS (the entire application is delivered over the Internet, typically by the application vendor (SalesForce.com being a good example).
Articles Tagged with PAAS
The question of whether there is a specific cloud programming language has emerged in our internal discussions at TVP. We’ve noticed a tendency amongst “born in the cloud” companies like Cloud Physics to follow the example of Twitter and develop server-side components in the Scala programming language. Scala runs on the JVM and is supported by a significant number of PaaS, including CloudFoundry. Does this mean that enterprises moving to PaaS should now be coding in Scala?
Xeround is a SQL Database as a Service vendor which is aggressively targeting the PaaS vendors as a channel. It has established relationships with Heroku, Engine Yard, AppFog and AppHarbour so that if you subscribe to their PaaS you are offered an upgrade to their bundled MySQL database services through a service from Xeround.
As a follow-up to our initial Dev in the Cloud series installment on continuous integration, today we’ll explore Code Management (CM) and the cloud’s impact on this core tenant of agile development. After briefly explaining CM fundamentals and relationship with agile development, we’ll identify the primary benefits and concerns associated with migrating CM to the cloud. We’ll also highlight the marketplace for the growing number of cloud CM products including recommendations for those evaluating cloud CM.
Over the last few months we’ve become fascinated by the Platform as a Service (PaaS) market because after an initial phase where it was dominated by platform-specific and language-specific offerings, a set of Universal PaaS are emerging, many of which are based around the Open Source Cloud Foundry from VMware. In addition to PaaS, there is a class of vendors who provide external services to PaaS through “marketplaces” that the vendor sets up. We refer to these generically as Application Services as a Service (ASaaS). The stakes are potentially huge – the PaaS takes over from the Operating System as the dominant factor in the purchasing decision for server-side technology. We’re not saying it definitely will happen, but it might.